WSE series welding machine Model No:WSE200,WSE250,WSE315 Voltage:single phase 220V±15%, ... :0~10sec Output AC frequency:70Hz square AC balance: 50%-90% EN Duty cycle:60% Pilot arc model:high frequency Max.welding thickness:0 ... to move 3, easily switch operation modes:MMA/TIG,AC/DC 4, AC TIG welding for aluminum,magnesium and their alloys. 5, DC ...